Let's roll up our sleeves and solve this. We have 549 and we're going to multiply it by 104, essentially adding 549 to itself 104 times.
Step 1: 0 + 549 = 549
Step 2: 549 + 549 = 1098
Step 3: 1098 + 549 = 1647
Step 4: 1647 + 549 = 2196
Step 5: 2196 + 549 = 2745
Step 6: 2745 + 549 = 3294
Step 7: 3294 + 549 = 3843
Step 8: 3843 + 549 = 4392
Step 9: 4392 + 549 = 4941
Step 10: 4941 + 549 = 5490
Step 11: 5490 + 549 = 6039
Step 12: 6039 + 549 = 6588
Step 13: 6588 + 549 = 7137
Step 14: 7137 + 549 = 7686
Step 15: 7686 + 549 = 8235
Step 16: 8235 + 549 = 8784
Step 17: 8784 + 549 = 9333
Step 18: 9333 + 549 = 9882
Step 19: 9882 + 549 = 10431
Step 20: 10431 + 549 = 10980
Step 21: 10980 + 549 = 11529
Step 22: 11529 + 549 = 12078
Step 23: 12078 + 549 = 12627
Step 24: 12627 + 549 = 13176
Step 25: 13176 + 549 = 13725
Step 26: 13725 + 549 = 14274
Step 27: 14274 + 549 = 14823
Step 28: 14823 + 549 = 15372
Step 29: 15372 + 549 = 15921
Step 30: 15921 + 549 = 16470
Step 31: 16470 + 549 = 17019
Step 32: 17019 + 549 = 17568
Step 33: 17568 + 549 = 18117
Step 34: 18117 + 549 = 18666
Step 35: 18666 + 549 = 19215
Step 36: 19215 + 549 = 19764
Step 37: 19764 + 549 = 20313
Step 38: 20313 + 549 = 20862
Step 39: 20862 + 549 = 21411
Step 40: 21411 + 549 = 21960
Step 41: 21960 + 549 = 22509
Step 42: 22509 + 549 = 23058
Step 43: 23058 + 549 = 23607
Step 44: 23607 + 549 = 24156
Step 45: 24156 + 549 = 24705
Step 46: 24705 + 549 = 25254
Step 47: 25254 + 549 = 25803
Step 48: 25803 + 549 = 26352
Step 49: 26352 + 549 = 26901
Step 50: 26901 + 549 = 27450
Step 51: 27450 + 549 = 27999
Step 52: 27999 + 549 = 28548
Step 53: 28548 + 549 = 29097
Step 54: 29097 + 549 = 29646
Step 55: 29646 + 549 = 30195
Step 56: 30195 + 549 = 30744
Step 57: 30744 + 549 = 31293
Step 58: 31293 + 549 = 31842
Step 59: 31842 + 549 = 32391
Step 60: 32391 + 549 = 32940
Step 61: 32940 + 549 = 33489
Step 62: 33489 + 549 = 34038
Step 63: 34038 + 549 = 34587
Step 64: 34587 + 549 = 35136
Step 65: 35136 + 549 = 35685
Step 66: 35685 + 549 = 36234
Step 67: 36234 + 549 = 36783
Step 68: 36783 + 549 = 37332
Step 69: 37332 + 549 = 37881
Step 70: 37881 + 549 = 38430
Step 71: 38430 + 549 = 38979
Step 72: 38979 + 549 = 39528
Step 73: 39528 + 549 = 40077
Step 74: 40077 + 549 = 40626
Step 75: 40626 + 549 = 41175
Step 76: 41175 + 549 = 41724
Step 77: 41724 + 549 = 42273
Step 78: 42273 + 549 = 42822
Step 79: 42822 + 549 = 43371
Step 80: 43371 + 549 = 43920
Step 81: 43920 + 549 = 44469
Step 82: 44469 + 549 = 45018
Step 83: 45018 + 549 = 45567
Step 84: 45567 + 549 = 46116
Step 85: 46116 + 549 = 46665
Step 86: 46665 + 549 = 47214
Step 87: 47214 + 549 = 47763
Step 88: 47763 + 549 = 48312
Step 89: 48312 + 549 = 48861
Step 90: 48861 + 549 = 49410
Step 91: 49410 + 549 = 49959
Step 92: 49959 + 549 = 50508
Step 93: 50508 + 549 = 51057
Step 94: 51057 + 549 = 51606
Step 95: 51606 + 549 = 52155
Step 96: 52155 + 549 = 52704
Step 97: 52704 + 549 = 53253
Step 98: 53253 + 549 = 53802
Step 99: 53802 + 549 = 54351
Step 100: 54351 + 549 = 54900
Step 101: 54900 + 549 = 55449
Step 102: 55449 + 549 = 55998
Step 103: 55998 + 549 = 56547
Step 104: 56547 + 549 = 57096

So, 549*104 = 57096